About Oak HC/FT
Oak HC/FT is a venture capital firm founded in 2014. It is primarily based out of Stamford, United States. As of Oct 2026, Oak HC/FT is an active investor, having invested in 157 companies, with 13 new investments in the last 12 months. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to HealthTech and FinTech. Most recently it participated in the $***** Series A round of Vitalize Care Overall, Oak HC/FT portfolio has seen 22 unicorns, 3 IPOs and 46 acquisitions including key companies like athenahealth, Aptos and Paxos. A lot of funds co-invest with Oak HC/FT, with names like F-Prime Capital sharing a substantial percentage of its portfolio. Oak HC/FT has team of 33 people including 12 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A & 6 more
Portfolio Acquisitions
Portfolio Unicorns
Portfolio Soonicorns
Deals in last 12 months
Oak HC/FT's List of Top Investments
Oak HC/FT has a portfolio of 157 companies, including 22 unicorns. Their most notable investments are in Reveleer and Ethic.Their portfolio spans across United States, Israel, Canada and 5 more locations. They have invested in Enterprise Applications, HealthTech, FinTech and 18 other sectors, across stages such as Series B, Series A and 6 more. Here is the list of top investments by Oak HC/FT:1. athenahealth
Cloud-based administrative tool for healthcare providers. The company has developed EHR, practice management, and population health solutions. The features include EHR, practice management, revenue cycle management (RCM), patient engagement, population health services, care coordination, clinical decision support, and more.
Key facts about athenahealth
- Founded Year: 1997
- Location: Watertown (United States)
- Annual Revenue: $1B+ as on Dec 31, 2017
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $49.1M
- Employee Count: 9,038 as on Jul 31, 2026
- Investors: Ares Capital Corporation, Cardinal Partners and 12 Others
- Latest Funding Round: Series B, Apr 27, 2004, $*****
- Highlight: Acquired
2. Aptos
Provider of protocols for building blockchain-based solutions. It offers users with a platform focused on building blockchain-based products and applications. It develops network tooling and ensures usability in order to offer the benefits of decentralization to the masses.
Key facts about Aptos
- Founded Year: 2021
- Location: Palo Alto (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $350M
- Employee Count: 166 as on Aug 31, 2026
- Investors: Brighton Park Capital, Scribble Ventures and 34 Others
- Latest Funding Round: Series D, Sep 19, 2024, $*****
- Highlight: Editors' Pick

3. Paxos
Provider of blockchain infrastructure and regulated stablecoin solutions for enterprises. The company offers a platform for building blockchain and stablecoin solutions. It provides digital assets backed by redemption and regulatory oversight. The company facilitates stablecoin payments, crypto brokerage, and stablecoin issuance. It also offers technology built within regulatory structures.
Key facts about Paxos
- Founded Year: 2012
- Location: New York City (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $535M
- Employee Count: 321 as on Sep 30, 2026
- Investors: Mithril, Alua Capital Management and 36 Others
- Latest Funding Round: Series D, Jan 21, 2022, $*****
- Highlight: Editors' Pick

4. Castlight
Cloud-based healthcare information on providers and pricing for enterprises. It allows businesses to compare healthcare providers across a variety of metrics to optimize pricing and quality. Access to the data is through business to a business based subscription model. Only employees of companies who have enrolled are allowed access to the information on the platform The Company sets up consumer-oriented applications that enable employers to incorporate benefit programs into one platform.
Key facts about Castlight
- Founded Year: 2008
- Location: San Francisco (United States)
- Annual Revenue: $100M - $500M as on Dec 31, 2020
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $181M
- Employee Count: 369 as on Sep 30, 2026
- Investors: T. Rowe Price, Redmile Group and 10 Others
- Latest Funding Round: Series D, May 01, 2012, $*****
- Highlight: Acquired
5. One Medical
Provider of membership-based primary care platform for employees and consumers. It provides services such as appointment booking, prescription renewals through the company’s online or mobile apps, and customized electronic medical records. Apart from this, it allows patients to fill out an online medical history form and direct email contact with doctors for smaller concerns. It also gives digital healthcare services to employees for better health management solutions.
Key facts about One Medical
- Founded Year: 2007
- Location: San Francisco (United States)
- Annual Revenue: £0 - £1M as on Mar 31, 2025
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $403M
- Employee Count: 3,353 as on Sep 30, 2026
- Investors: HTIF, Section Partners and 30 Others
- Latest Funding Round: Post IPO, Jul 12, 2023, $*****
- Highlight: Acquired
Oak HC/FT's Year-on-Year Investment Trends
Oak HC/FT has invested in 158 companies over the last 12 years, with an average of 10 new investments annually in the last 10 years. In 2025, it made 13 investments, while as of Oct 2026, it has made 18 investments in this year. Its most recent first time investment was in Vitalize Care and most recent follow-on round was in Rillet.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 12 | 6 | 18 |
2025 | 13 | 0 | 13 |
2024 | 7 | 5 | 12 |
2023 | 2 | 4 | 6 |
2022 | 8 | 6 | 14 |
2021 | 19 | 18 | 37 |
2020 | 9 | 13 | 22 |
2019 | 12 | 3 | 15 |
2018 | 11 | 2 | 13 |
2017 | 5 | 1 | 6 |
Oak HC/FT's Investments by Stage
Oak HC/FT has made 37 investments in Series B stage with an average round size of $55.1M, 27 investments in Series A stage with an average round size of $41.8M and 26 investments in Series C stage with an average round size of $72.3M.Stage of entry | No. of Investments |
|---|---|
Series B | 37 |
Series A | 27 |
Series C | 26 |
Series D | 11 |
Seed | 8 |
Others | 3 |
Note: We have considered here, only first round of investments
Oak HC/FT's Investments by Sector
Oak HC/FT has a diverse portfolio, with companies operating in the Enterprise Applications, HealthTech, FinTech, Vertical SaaS and Healthcare. Notably, it has invested in 122 Tech companies, 116 Enterprise (B2B) companies, 94 Software companies and at least 45 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 65 |
HealthTech | 47 |
FinTech | 30 |
Vertical SaaS | 23 |
Healthcare | 19 |
Others | 80 |
Note: We have considered here, only first round of investments
Oak HC/FT's Investments by Geography
Oak HC/FT has made most investments in United States (98), followed by Israel where it has made 6 investments.Country | No. of Investments |
|---|---|
United States | 98 |
Israel | 6 |
Canada | 2 |
Mexico | 2 |
United Kingdom | 2 |
Others | 1 |
Note: We have considered here, only first round of investments
Oak HC/FT's recent investments
Oak HC/FT has made 18 investments in 2026 so far. Vitalize Care and Halluminate are the latest among them.Here are the most recent investments by Oak HC/FT:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Oct 06, 2026 | United States | Series A | 8036 | [+4] | |
Oct 01, 2026 | United States | Series A | 5233 | [+3] | |
Sep 09, 2026 | United States | Series A | 1614 | ||
Aug 18, 2026 | United States | Series C | 8921 | [+7] | |
Jul 21, 2026 | United States | Seed | 5008 | [+12] |
Unicorns in Oak HC/FT's Portfolio
Oak HC/FT has 22 unicorns in its portfolio - Rillet, Fundamental, Chai Discovery and others. The most recent unicorn in their portfolio is Rillet. It became a unicorn in 2026, 1 years after Oak HC/FT first invested in it.Here is a list of unicorns in Oak HC/FT's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
67 | AI-native ERP designed to automate accounting | 2021 | New York City | Series C | qwfhzsl | ||
51 | Developer of a large tabular model for enterprise data analysis | 2024 | San Francisco | Series A | ohbbhpv | ||
70 | Developer of artificial intelligence models for de novo molecular design | 2023 | San Francisco | Series C | wmpwdns | ||
69 | Provider of AI-based medical scribe software for providers | 2020 | San Francisco | Series C | alpbbys | ||
64 | Provider of digital identity verification and authentication solutions across various industries | 2008 | New York City | Series F | nhytvct |
IPOs and Publicly Listed companies in Oak HC/FT's Portfolio
3 of Oak HC/FT's portfolio companies have become public. Blend got listed on the New York Stock Exchange (NYSE), in Jul 2021 at marketcap of $3.95B and Pagaya got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $312M.Here are Oak HC/FT's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 16, 2021 | - | - | 3902 | |
Feb 25, 2021 | Aug 30, 2018 | Series B | 2617 | |
Sep 04, 2020 | Aug 2019 | Series B | 5882 |
Acquired companies in Oak HC/FT's Portfolio
46 companies from Oak HC/FT's portfolio have been acquired. The most recent acquisition was Firefly Health in Jul 2026 by Included Health for $*****.Here are Oak HC/FT's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 28, 2026 | Sep 16, 2019 | Series A | 5140 | |
Jun 23, 2026 | Dec 19, 2017 | Series B | 3281 | |
Jan 30, 2025 | Mar 05, 2015 | Series A | 8966 | |
Oct 30, 2024 | - | - | 3156 | |
Oct 01, 2024 | Sep 09, 2020 | Series C | 2524 |
Team profile of Oak HC/FT
Oak HC/FT has a team of 33 members including 12 Partners, 4 Venture Partners and 6 Principals located in United States. Oak HC/FT's team sits on the board of 4 companies.Here is a list of top team members in Oak HC/FT:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | United States | - | ||
Partner | New York | Ethic, ZenBusiness and 1 more | ||
Partner | New York | - | ||
Partner | - | - | ||
Partner | New York City | - | ||
Partner | San Francisco | |||
Partner | San Francisco | - | ||
Partner | New York City | - | ||
Partner | - | - | - | |
Partner | New York City | - | ||
Partner | New York City | - |
Co-investors of Oak HC/FT
Over the past 12 years, 755 investors have co-invested in Oak HC/FT's portfolio companies. This includes funds and angels.
- Invested before Oak HC/FT: Y Combinator, BoxGroup and 342 others have invested in rounds before Oak HC/FT. There are 10 companies where Y Combinator has invested before Oak HC/FT and 5 companies where BoxGroup has invested before Oak HC/FT.
- Top Co-investors of Oak HC/FT: 194 investors entered a company along with Oak HC/FT. These include investors like F-Prime Capital (6 companies).
- Invested after Oak HC/FT: A total of 217 investors have invested in Oak HC/FT's portfolio after their investments. Top Investors include Google Ventures (6 companies), SVB (5 companies) and Dragoneer Investment Group (4 companies).
Recent News related to Oak HC/FT
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Vitalize Secures $31M Series A Funding to Optimize Hospital Labor and Capacity ManagementMedCity News•Oct 09, 2026•Vitalize Care, Oak HC/FT
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Latitude Raises $35 Million in Series A Fundingintelligence360•Oct 07, 2026•Latitude, New Enterprise Associates, Faction VC, OpenFX and 3 others
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Latitude Secures $35M Series A Funding Led by Oak HC/FT to Develop Stablecoin Payment InfrastructureCryptocurrency•Sep 09, 2026•Latitude, Oak HC/FT, Latitude.com, Nea and 5 others
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Corner Health Raises $32.5 Million in Series A Fundingintelligence360•Aug 21, 2026•First Round Capital, Zigg Capital, Corner Health, Oak HC/FT
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Rillet Achieves Unicorn Status with $1 Billion Valuation Following Series C FundingCryptocurrency•Aug 19, 2026•Rillet, Iconiq Capital, Battery Ventures, FirstMark and 6 others
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Dash Bio Raises $30 Million in Series A FundingMassinvestor•Aug 05, 2026•Swift Ventures, Oak HC/FT, Freestyle, Dash Bio
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Candid Health Closes $120 Million Series D Funding RoundLaw360•Jul 22, 2026•Candid Health, Sixth Street, Y Combinator, Oak HC/FT and 1 other
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Cordant emerges from stealth with $8M to build financial infrastructureRefresh Miami•Jul 21, 2026•Oak HC/FT, Motive Partners, Nascent Ventures, Motive and 9 others
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Stepful Secures $55 Million Series C Funding Led by Oak HC/FT to Expand AI Healthcare TrainingThe SaaS News•Jun 09, 2026•Stepful, Oak HC/FT